SDL Library
SDL_rect.h File Reference
Header file for SDL_rect definition and management functions. More...
Go to the source code of this file.
Data Structures | |
struct | SDL_Point |
The structure that defines a point. More... | |
struct | SDL_Rect |
A rectangle, with the origin at the upper left. More... | |
Typedefs | |
typedef struct SDL_Point | SDL_Point |
The structure that defines a point. | |
typedef struct SDL_Rect | SDL_Rect |
A rectangle, with the origin at the upper left. | |
Functions | |
SDL_FORCE_INLINE SDL_bool | SDL_RectEmpty (const SDL_Rect *r) |
Returns true if the rectangle has no area. | |
SDL_FORCE_INLINE SDL_bool | SDL_RectEquals (const SDL_Rect *a, const SDL_Rect *b) |
Returns true if the two rectangles are equal. | |
DECLSPEC SDL_bool SDLCALL | SDL_HasIntersection (const SDL_Rect *A, const SDL_Rect *B) |
Determine whether two rectangles intersect. | |
DECLSPEC SDL_bool SDLCALL | SDL_IntersectRect (const SDL_Rect *A, const SDL_Rect *B, SDL_Rect *result) |
Calculate the intersection of two rectangles. | |
DECLSPEC void SDLCALL | SDL_UnionRect (const SDL_Rect *A, const SDL_Rect *B, SDL_Rect *result) |
Calculate the union of two rectangles. | |
DECLSPEC SDL_bool SDLCALL | SDL_EnclosePoints (const SDL_Point *points, int count, const SDL_Rect *clip, SDL_Rect *result) |
Calculate a minimal rectangle enclosing a set of points. | |
DECLSPEC SDL_bool SDLCALL | SDL_IntersectRectAndLine (const SDL_Rect *rect, int *X1, int *Y1, int *X2, int *Y2) |
Calculate the intersection of a rectangle and line segment. |
Detailed Description
Header file for SDL_rect definition and management functions.
Definition in file SDL_rect.h.
Typedef Documentation
The structure that defines a point.
- See also:
- SDL_EnclosePoints
A rectangle, with the origin at the upper left.
Function Documentation
DECLSPEC SDL_bool SDLCALL SDL_EnclosePoints | ( | const SDL_Point * | points, |
int | count, | ||
const SDL_Rect * | clip, | ||
SDL_Rect * | result | ||
) |
Calculate a minimal rectangle enclosing a set of points.
- Returns:
- SDL_TRUE if any points were within the clipping rect
Determine whether two rectangles intersect.
- Returns:
- SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
DECLSPEC SDL_bool SDLCALL SDL_IntersectRect | ( | const SDL_Rect * | A, |
const SDL_Rect * | B, | ||
SDL_Rect * | result | ||
) |
Calculate the intersection of two rectangles.
- Returns:
- SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
DECLSPEC SDL_bool SDLCALL SDL_IntersectRectAndLine | ( | const SDL_Rect * | rect, |
int * | X1, | ||
int * | Y1, | ||
int * | X2, | ||
int * | Y2 | ||
) |
Calculate the intersection of a rectangle and line segment.
- Returns:
- SDL_TRUE if there is an intersection, SDL_FALSE otherwise.
SDL_FORCE_INLINE SDL_bool SDL_RectEmpty | ( | const SDL_Rect * | r ) |
Returns true if the rectangle has no area.
Definition at line 72 of file SDL_rect.h.
Returns true if the two rectangles are equal.
Definition at line 80 of file SDL_rect.h.
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